For example, if you count the number of students in your class who are girls and the number who are boys, you could make a bar graph to compare the totals. You can use the bar graph to make comparisons. Bar GraphĪ bar graph is a graph that shows you information about two or more discrete objects, events, locations, groups of people, etc. The purpose of this article is to highlight some of the common types of graphs and charts that you can create with Excel, explain when you might use the different types, and provide a great set of resources for learning about and teaching about charts and graphs. There are good reasons for learning to create graphs by hand, but there are also some great tools that everyone ought to learn how to use at some point, such as Excel. Charts and graphs are also critical to engineers, scientists and financial analysts who use them to help visualize large amounts of information, make better decisions, and communicate their results to other people. News publishers use graphics all the time to show comparisons and explain important trends for things such as weather, gas prices, crime rate, or who is winning an election and by how much.
The most common place for people to see charts and graphs is in the news.
A good picture is worth a thousand numbers. Charts and graphs are used to make information clearer and easier to understand.
